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Late Night VRML 2.0 with Java CD-ROM
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code.zip
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Ch12
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ui
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tree
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TreeToolObserver.java
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1996-12-30
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/* file : TreeToolObserver.java
* purpose : an interface (or abstract base class) for a
* TreeToolObserver - a class representing objects
* interested in changes of a Tree structure
* author : Thomas Koch
* copyright : 1995 , GMD
* (Forschungszentrum Informationstechnik GmbH, FIT.CSCW,
* GMD Schloss Birlinghoven, 53754 Sankt Augustin, Germany).
*/
package ui.tree;
import java.lang.*;
import java.util.*;
import java.awt.*;
import ui.tree.*;
public interface TreeToolObserver
{
public void nodeSelected(TreeNode node);
public void nodeUnSelected(TreeNode node);
public void nodeOpened(TreeNode node);
public void nodeClosed(TreeNode node);
public void nodeAdded(TreeNode where,TreeNode node);
public void nodeRemoved(TreeNode node);
}